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  1. MrGatch

    Odd issue with Nest controlling hot water

    I do have a multimeter. Are there any obvious things I can check? I'm not a plumber, but am a very competent DIYer. The bit I don't really understand is why it switches the valve off, but not on. Thanks!
  2. MrGatch

    Odd issue with Nest controlling hot water

    Hi, Heating engineer fitted me a new system boiler and a cylinder recently converting from a combi. System has three zones controlled by Nests including the hot water. I've just noticed that the hot water doesn't seem to get warm according to the Nest schedule so I investigated and found an...
  3. MrGatch

    32mm Pipe Insulation

    Have you got a weblink or know where I can get this stuff? Can't seem to find any 32mm Armaflex anywhere.
  4. MrGatch

    32mm Pipe Insulation

    Hi, I'm having a new 32mm supply pipe fitted to my property that will travel under a strip foundation and then under timber subfloor before appearing out of a wall into a garage into the stopcock etc. The water company have advised about ducting and insulation. I'm using an off cut of soil...
  5. MrGatch

    New Water Supply - Domestic Connection Options

    It will be an internal meter as I have plenty of space.
  6. MrGatch

    New Water Supply - Domestic Connection Options

    What would I connect after a 32-28mm adapter? Not clear why I'd do this. Has anyone got any opinions on the all-in-one meter kits?
  7. MrGatch

    New Water Supply - Domestic Connection Options

    I have a new 32mm MDPE supply pipe being fitted at my property and my builder and I have been discussing how best to connect it up to the existing 22mm copper water pipe inside. There obviously needs to be a stopcock, meter adapter and drain-off valve in between the two. There doesn't seem to...
  8. MrGatch

    Flow rates with this combination of pipes/equipment

    Good advice on the 22mm copper from stopcock to cylinder. I can't run a secondary return as I don't have access to any of the pipework above ground floor level. I have to make a few assumptions as the water supply is being completely replaced. I'm fairly sure about the pressure being...
  9. MrGatch

    Flow rates with this combination of pipes/equipment

    At the moment I have a very old 15mm copper water supply entering through a wall in the cellar. This services a 15mm network of cold water and a combi boiler (Worcester 37kW) on 15mm copper throughout. The house is over 4 floors with a lot of outlets. 5 toilets, 4 showers, 2 baths. Family of 4...
  10. MrGatch

    Effect of replacing 22mm copper with 15 plastic

    Pretty much! A red carpet is being rolled out for him to turn up to connect up the boiler, cylinder, UFH and my new gas supply. The builder is doing the rest - he's been pretty open about that as its to keep costs down. I suppose the the downside of that is that it cost less in general but...
  11. MrGatch

    Effect of replacing 22mm copper with 15 plastic

    Not really. He's walked round the house and kicked a few tyres. I've suggested most of the stuff regarding new water main, new boiler location, moving from combi to cylinder. I chose the EcoTec+ 637 and he confirmed that its up for the job and suggested the Super Oso 250L. I completely trust...
  12. MrGatch

    Effect of replacing 22mm copper with 15 plastic

    Currently the old 37kW combi is in the cellar and manages to pump up to the second floor with the internal pump. No external pumps or expansion vessels. The new system boiler (and cylinder) will be a floor up on the ground floor which I assume should help with pressure drops and pump effort...
  13. MrGatch

    Effect of replacing 22mm copper with 15 plastic

    Thanks for all of the replies. Builder has agreed to replace the 5m stretch in 22mm copper with push-fit joints which I'm happy with. This is after a conversation with the heating engineer! Looking at 13 rads of various sizes over 3 floors - mostly horribly old ones. That's existing, plus...
  14. MrGatch

    Effect of replacing 22mm copper with 15 plastic

    Thanks for the all of the replies so far. I've requested pressure and flow data from the water board who have said they will make enquiries and get back to me. Sounds like good advice. A couple of the old rads have historically not heated up well on the top floor. The system was completely...
  15. MrGatch

    Effect of replacing 22mm copper with 15 plastic

    The water board are inspecting and connecting at the street, and yes its a 750mm trench insulated as it enters the house through the foundation. Builder is doing all that for me. There isn't a new layout really. All of the new extension space is UFH (using VarioTherm). The extent of the works...
  16. MrGatch

    Effect of replacing 22mm copper with 15 plastic

    There are 9 rads above over two floors. 3 of the rads are towel radiators (which oddly never seem to have a problem getting warm).
  17. MrGatch

    Effect of replacing 22mm copper with 15 plastic

    Having a brand new water main fitted in 25mm MDPE direct off the 6" main in the street (asked for 32mm, but they said no). Am assuming this will be okay with the megaflo, but there is no way to tell. I'd be surprised if it wasn't. The water main and gas main are both being replaced and every...
  18. MrGatch

    Effect of replacing 22mm copper with 15 plastic

    None of the heating changes have been made yet apart from moving the riser. Its all proposed at this stage. The heating engineer has seen the plans and the house and seems pretty competent and thinks that the EcoTec 37kW and a Super Oso cylinder is adequate for the heating and UFH. However its...
  19. MrGatch

    Effect of replacing 22mm copper with 15 plastic

    Hi, I have a large three storey cold Victoria house and I'm having an extension being built which adds a large amount of additional volume to heat. The new space will be UFH and the existing heating system zoned to upstairs and downstairs. The entire heating system is a single zone in 22mm...
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